50% of the time: This is Tsukasa, the devious mastermind behind all of Touhou 18.
the other 50%: this is Tsukasa, Megumu's fox-shaped cat.

A dubious little creature, getting up to mischief, ugh! This is no good.
Ugh. The beast is demonic in nature, very icky, no good...

The fox may look cute on the outside, but she is a devil in the inside.

C-light said:

this is Tsukasa, Megumu's fox-shaped cat.

She does look good for headpats and belly rubs with that tail and romper. Just need to be careful to separate the purring from the whispers that tell you how to exploit your loved ones' weaknesses.